Two problems related to ignition module have been reported for the 1998 Ford Taurus. The most recently reported issues are listed below.
When in bumper to bumper traffic with normal acceleration car seems to surge at any given time . You never know when your in that kin of traffic that the car will do the same thing and surge. The only thing that will slow the car down is putting your foot on the brake. You never know when the car will surge. Dealership put a new trans , replaced air by pass valve,replace some computer chip, reprogrammed pcm. Car has been in 4 times it still surges dealership states can not duplicate problem after keepin car for almost two weeks. .
Needs service warning light illuminating, computer chip malfunction. Mjs.